Self-Centering 29pc Twist Drill Bits Set – Cobalt Steel with RPM Guide Included. Self-Centering 29pc Twist Drill Bits Set. COBALT STEEL with RPM Guide Included. Premium Quality: Crafted from M35 cobalt steel with molybdenum, these drill bits offer a hardened heat-resistant alloy with Rockwell hardness up to 67, ensuring extraordinary performance and longevity – up to twelve times more than standard HSS drill bits. No Center Punch Required: Each bit features 135° Quick-Cut points that are self-centering, allowing for quick penetration with less pressure, eliminating the hassle of walking or wandering. Comprehensive Set: This extensive collection includes 29 fractional inch drill bits ranging from 1/16″ to 1/2″ in 1/64 increments, meticulously packaged in a robust ABS plastic case for excellent organization. Metalworking Excellence: Specifically designed for cutting through hard metals such as stainless steel and cast iron, while still suitable for softer materials (not recommended for heat-treated steel, hardened steel, and high carbon steel). Useful User Guide: Each set includes a downloadable guide with helpful drilling tips and an RPM chart for various metals, helping you achieve optimal drilling conditions and better results. Why Choose Our Drill Bits Set? Elevate your metalworking capabilities with our Self-Centering 29pc Twist Drill Bits Set, meticulously engineered for precision and durability. The cobalt construction not only ensures exceptional hardness but also enhances performance, allowing you to work with confidence on tougher materials. Forget the inconvenience of using a center punch – enjoy effortless drilling with self-centering technology that guarantees accurate results every time. The well-organized assortment of drill sizes means you will always have the right tool for the job at hand. Invest in excellence and efficiency with this premium drill bits set. Whether you’re a professional tradesman or a DIY enthusiast, let this versatile collection bolster your projects and inspire your creativity. Order your Self-Centering 29pc Twist Drill Bits Set today and take the first step towards mastering your metalworking projects! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Item Height: Not Set. Item Depth: Not Set. Suitable For: Drill, Stainless Steel, Iron, Metals. Type: Drill Bit, Jobber Twist Drill Bit. Application: Cutting, Metalworking, Drilling. Number of Items in Set: 29. Country/Region of Manufacture: Not Set. Item Diameter: 1/16 in to 1/2 in. Item Length: Not Set. Item Width: Not Set. Item Weight: Not Set.